Boeotia
- Koroneia, Boeotia
- Larymna, Boeotia
- Mykalessos, Boeotia
- Orchomenos, Boeotia
- Tanagra, Boeotia
- Thebes
- Thespiai, Boeotia
Orchomenos is burned and its palace destroyed.
Approximate time when Askra in Boeotia is destroyed by Thespiai.
Orchomenos joins the Boeotian League, headed by Thebes.
Approximate time when Eutresis is settled by Thespiai.
The Battle of Thermopylae. Soldiers from Sparta, Mantinea, Tegea, Orchomenos (Arkadia), Corinth, Phlious, Thespiai, Phokis, Opuntian Lokris, and other cities are overrun by the Persians at a huge cost.
Thebes is reinstated by Sparta as the dominant power in Boeotia.
Thebes destroys Plataea with the help of Sparta.
A group of Thracians, whom Athens were sending home, landed at Mykalessos and slaughtered everyone, including women and children.
The Spartans under Agesilaos II attack and Persia. Artaxerxes II retaliates by bribing Corinth, Thebes, and Athens to make war on Sparta.
Thebes takes Herakleia Trachineia from Sparta and installs the Trachinians and Oetaians.
July
Sparta and their allies, including Sikyon and Tegea, defeat Athens and their allies at the Battle of Nemea. On Athens side are Thebes, Lokris Opuntii, and Corinth. With Sparta are Halieis, Sikyon, Epidauros, Troizen, and Hermione. Phlious remains neutral. Pellene fights on the side of Sparta against Thespiai.
Spartans use treachery to take the citadel of Thebes.
Thebes expels the Spartan garrison at its citadel.
Eresos, Byzantion, Chios,Mytilene, Methymna, Rhodes, Thebes, Korkyra, Eretria, Kios, Samos, Naxos, Andros, Myrina (Lembos), Hephaistia, Imbros, and Thasos join the Second Athenian League, reaffirming its alliance with Athens in response to the growing threat of Persian interference and internal Greek conflicts.
The Theban general Pelopidas intervenes in Macedonian affairs, leading an expedition to secure Alexander II‘s position. However, Alexander is forced to agree to a treaty that acknowledges Theban influence and sends his brother Philip II to Thebes as a hostage.
Persia under Artaxerxes II provides funds to Sparta to continue the Spartan-Theban war. They probably also provide funds to Athens.
July
The Theban Pelopidas is sent to negotiate with Alexander of Pherai, who throws him in prison.
Artaxerxes II attempts to mediate between the Greek states. He proposes a settlement that highly favors Thebes and leaves Messene free. All states except for Thebes reject it.
The Boeotian League, headed by Thebes, sacks Orchomenos.
Thebes defeats Alexander of Pherai at the Battle of Cynoscephalae, but their general Pelopidas is killed.
With Theban power down after the death of Epaminondas, Alexander of Pherai takes Tinos and sells the inhabitants as slaves, then besieges Peparethos. Athens defeats Alexander near Sounion and relieves Peparethos. Alexander then plunders Piraios.
Orchomenos is rebuilt with the help of Phokis.
Artabazos II enlists the help of Thebes, but he is defeated by forces under Artaxerxes III Okhos. Artabazos flees to the court of Philip II.
Onomarchos of Phokis takes Koroneia.
Chares takes up service with the breakaway satrap Artabazos. Artaxerxes III Okhos pressures Athens, and Chares is forced to leave. Artabazos then hires Thebans.
Sparta attempts to destroy Megalopolis, but the city is rescued by Thebes.
Orchomenos is destroyed again by Thebes.
Phokis uses its three fortified cities of Orchomenos, Koroneia, and Koriai to fight against Thebes and the rest of Boeotia.
Philip II hands over Orchomenos and Koroneia to Thebes.
Artaxerxes III Okhos finally succeeds in re-conquering Egypt under Nektanebo II, with the help of mercenaries from Argos, Thebes, and Mentor of Rhodes.
The Aetolian League, Athens, and Thebes revolt against Macedon after the death of Philip II.
Alexander the Great demolishes Thebes after a rebellion. Perdikkas is severely wounded in the battle. Orchomenos and Thespiai fight on the side of Alexander.
Orchomenos is rebuilt with the help of Alexander III.
Alexander III travels through Pelinna on his way to Thebes.
326 BCE
Kassander founds Kassandreia from Potidaia and Mende, founds Thessalonika, and rebuilds Thebes.
The bones of Hector are moved from Ophryneion to Thebes to satisfy an oracle.
Demetrios Poliorketes takes Athens from Kassander and forces Demetrios of Phaleron to flee to Thebes.
Demetrios Poliorketes and Antigonos II take Thebes after a siege. Huge siege engines are used to break its walls.
Thebes allies itself with Lysimachos and the Aetolian League.
Sulla destroys Larymna after a victory at Orchomenos.
Thebes is included in the new province of Achaia.